// XCCalendarList.cpp - Xestia Calendar XCCalendarList widget class.
//
// (c) 2016 Xestia Software Development.
//
// This file is part of Xestia Calendar.
//
// Xestia Address Book is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by the
// Free Software Foundation, version 3 of the license.
//
// Xestia Address Book is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with Xestia Calendar. If not, see <http://www.gnu.org/licenses/> 

#include "XCCalendarList.h" 

XCCalendarList::XCCalendarList(wxWindow *parent)
	: wxPopupTransientWindow (parent){
		
	// Setup the controls.
		
	szrMain = new wxBoxSizer( wxVERTICAL );
	this->SetSizer(szrMain);
	this->SetSize(wxSize(350, 500));	
		
}

XCCalendarList::~XCCalendarList(){
	
	// Delete the calendar lists.
	
	for (vector<XCCalendarListAccountCtrl*>::iterator accountCtrlIter = accountControlList.begin();
		accountCtrlIter != accountControlList.end(); accountCtrlIter++){
		
		delete *accountCtrlIter;
			
	}
	
	accountControlList.clear();
	
	this->SetSizer(nullptr, true);
	
}

void XCCalendarList::UpdateCalendarList(CalendarDataStorage *dataStorage){
	
	// Verify if the generated code has changed. Return if not.

	CDSGetChecksumResult currentChecksum = dataStorage->GetChecksum("internal_updatedata");
	
	if (checksumUpdate == currentChecksum.checksumValue){
		
		// Checksum matches so return.
		return;
		
	}
	
	// Delete the old controls. Remember which setting the checkboxes were hidden so they
	// can be restored later on.

	vector<int> calendarHiddenAccountsList = GetHiddenAccountsList();	
	vector<int> calendarHiddenCalendarsList = GetHiddenCalendarsList();
	
	for (vector<XCCalendarListAccountCtrl*>::iterator accountCtrlIter = accountControlList.begin();
		accountCtrlIter != accountControlList.end(); accountCtrlIter++){
		
		delete *accountCtrlIter;
			
	}
	
	accountControlList.clear();
	
	// Get the list of accounts and create them one by one.
	
	CDSAccountList accountListData = dataStorage->GetAccountList();
	
	for (int AccountSeek = 0; AccountSeek < accountListData.accountList.size(); AccountSeek++){
		
		// Create the control and add it to the list.
		
		XCCalendarListAccountCtrl *newAccountCtrl = new XCCalendarListAccountCtrl(this, accountListData.accountList[AccountSeek].accountName);
		newAccountCtrl->SetAccountID(accountListData.accountList[AccountSeek].accountID);
		newAccountCtrl->SetAccountPreferencesID(accountListData.accountList[AccountSeek].accountPreferencesID);
		
		szrMain->Add(newAccountCtrl, 0, wxEXPAND, 5);
		
		if (find(calendarHiddenAccountsList.begin(), calendarHiddenAccountsList.end(), accountListData.accountList[AccountSeek].accountID) != calendarHiddenAccountsList.end()){
			
			newAccountCtrl->SetCheckBoxValue(wxCHK_UNCHECKED);
			
		}
		
		accountControlList.push_back(newAccountCtrl);
		
		// Get the list of calendars and create controls.
		
		CDSCalendarList accountCalendarList = dataStorage->GetCalendarList(accountListData.accountList[AccountSeek].accountID);
		
		for (int calendarSeek = 0; calendarSeek < accountCalendarList.calendarList.size(); calendarSeek++){
			
			CDSGetCalendarInfo calendarInfo = dataStorage->GetCalendar(accountListData.accountList[AccountSeek].accountName, accountCalendarList.calendarListTextID[calendarSeek]);
			
			XCCalendarListCalendarCtrl *newCalendarCtrl = new XCCalendarListCalendarCtrl(this, calendarInfo.calendarName, calendarInfo.calendarColour);
			newCalendarCtrl->SetCalendarID(accountCalendarList.calendarList[calendarSeek]);
			
			newCalendarCtrl->SetAccountPreferencesID(accountListData.accountList[AccountSeek].accountPreferencesID);

			if (find(calendarHiddenCalendarsList.begin(), calendarHiddenCalendarsList.end(), accountCalendarList.calendarList[calendarSeek]) != calendarHiddenCalendarsList.end()){
			
				newCalendarCtrl->SetCheckBoxValue(wxCHK_UNCHECKED);
			
			}
			
			newAccountCtrl->AddCalendar(newCalendarCtrl);

			szrMain->Add(newCalendarCtrl, 0, wxEXPAND, 5);
			
		}
		
	}
	
	// Set the updated checksum.
	
	checksumUpdate = currentChecksum.checksumValue;

	this->Layout();
	
}

std::vector<int> XCCalendarList::GetHiddenAccountsList(){
	
	std::vector<int> accountList;
	
	// Go through each of the account controls and work
	// out which entries should be hidden based on account.
	
	for (std::vector<XCCalendarListAccountCtrl*>::iterator accountListIter = accountControlList.begin();
		accountListIter != accountControlList.end(); accountListIter++){
	
		if ((*accountListIter)->GetShowCheckboxState() == wxCHK_UNCHECKED){
			
			accountList.push_back((*accountListIter)->GetAccountID());
			
		}
			
	}
	
	return accountList;
	
}

std::vector<int> XCCalendarList::GetHiddenCalendarsList(){

	std::vector<int> calendarList;
	
	// Go through each of the calendar controls and
	// work out which entries should be hidden based on
	// calendar.

	for (std::vector<XCCalendarListAccountCtrl*>::iterator accountListIter = accountControlList.begin();
		accountListIter != accountControlList.end(); accountListIter++){
	
		// Get the list of hidden calendars.
		
		vector<int> calendarHiddenList = (*accountListIter)->GetHiddenCalendarList();
			
		for (vector<int>::iterator calendarHiddenIter = calendarHiddenList.begin();
			calendarHiddenIter != calendarHiddenList.end(); calendarHiddenIter++){
		
			vector<int>::iterator calendarHiddenFind = find(calendarList.begin(), calendarList.end(), *calendarHiddenIter);
			
			if (calendarHiddenFind == calendarList.end()){

				calendarList.push_back(*calendarHiddenIter);
				
			}
				
		}
			
	}
	
	return calendarList;
	
}